Growli

Pest identification

What's eating my chester blackberry?

Raspberry beetle (Byturus tomentosus)

Signs: Grubs inside ripening blackberries; maggoty or early-dropping fruit

Control: Spray approved insecticide at pink-fruit stage in the evening; remove and destroy infested crop debris

Aphids

Signs: Distorted young tips; honeydew; possible virus transmission

Control: Soft-soap spray at first sign; encourage parasitic wasps by allowing flowering herbs nearby

Birds

Signs: Ripe berries stripped; fruiting lateral tips targeted first

Control: Fruit cage netting; reflective bird-scare tape as backup

Slugs and snails

Signs: Low-set or fallen fruit eaten; slime trails on canes

Control: Ferric phosphate pellets; raise fruiting laterals off the ground with ties; patrol after rain

Keep chester blackberry pest-free

Healthy plants resist pests best. Get the basics right:

Chester Blackberry pests — FAQ

What is eating my chester blackberry?

Chester blackberry attracts raspberry beetle (which affects all Rubus), birds targeting the large sweet berries, and aphids in spring. Slugs damage low-hanging fruit. Its vigorous semi-erect canes can harbour spur blight fungus if left unpruned. Net fruit and spray for beetle early; prune floricanes after harvest.

How do I get rid of raspberry beetle (byturus tomentosus) on chester blackberry?

Grubs inside ripening blackberries; maggoty or early-dropping fruit Spray approved insecticide at pink-fruit stage in the evening; remove and destroy infested crop debris

How do I get rid of aphids on chester blackberry?

Distorted young tips; honeydew; possible virus transmission Soft-soap spray at first sign; encourage parasitic wasps by allowing flowering herbs nearby

How do I get rid of birds on chester blackberry?

Ripe berries stripped; fruiting lateral tips targeted first Fruit cage netting; reflective bird-scare tape as backup

How do I get rid of slugs and snails on chester blackberry?

Low-set or fallen fruit eaten; slime trails on canes Ferric phosphate pellets; raise fruiting laterals off the ground with ties; patrol after rain